CVE-2026-51744

CVE-2026-51744 is an incorrect access control flaw in the recv_mesh_info_sync function of TOTOLINK T6 (firmware 4.1.5cu.748_B20211015). An unauthenticated remote attacker can send a crafted MQTT message to the cs_broker component to force mesh configuration synchronization from an attacker-contro...

CVE-2026-51763

Incorrect access control in the freeStaClient function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to forcibly disconnect wireless clients via sending a crafted MQTT message to the csbroker component...

CVE-2026-51762

TOTOLINK T6 version 4.1.5cu.748_B20211015 is affected by an incorrect access control flaw in the meshInfoKick function. An unauthenticated attacker can send a crafted MQTT message to the cs_broker component to kick or clean stale mesh information/state and trigger regeneration of mesh metadata. T...

CVE-2026-51766

Incorrect access control in the setDevReboot function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reboot the local device and, on a master, fan out reboot commands to mesh slaves via sending a crafted MQTT message to the csbroker component...

CVE-2026-51751

Incorrect access control in the delSlaveDevice function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove a specified slave device from local mesh management data and reboot the system via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69196

Incorrect access control in the freeStaClient function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to forcibly disconnect wireless clients via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69193

Incorrect access control in the setDevReboot function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reboot the local device and, on a master, fan out reboot commands to mesh slaves via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69205

Incorrect access control in the updatePriChannel function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to rescan and switch the primary mesh channel via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69195

Incorrect access control in the recvSlaveCloudCheckStatus function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to overwrite cloud-result tracking files via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69198

Incorrect access control in the updateLanIp function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to refresh the LAN address state via sending a crafted MQTT message to the csbroker component...

CVE-2026-51770

Incorrect access control in the sendToMasterQosConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to forward attacker-controlled QoS settings to the master via sending a crafted MQTT message to the csbroker component...

CVE-2026-51770

TOTOLINK T6 mesh WiFi system (firmware 4.1.5cu.748_B20211015) has an incorrect access control flaw in the sendToMasterQosConfig function. An unauthenticated remote attacker can send a crafted MQTT message to the cs_broker component to forward attacker-controlled QoS settings to the master node. T...

CVE-2026-51767

Incorrect access control in the recvClearPairCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reset pairing state and reboot the device via sending a crafted MQTT message to the csbroker component...

CVE-2026-51747

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...

CVE-2026-51762

Incorrect access control in the meshInfoKick function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to kick or clean stale mesh information/state and trigger regeneration of mesh metadata via sending a crafted MQTT message to the csbroker component...

CVE-2026-51768

Incorrect access control in the setElinkQosConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to modify privileged QoS policy on the master device via sending a crafted MQTT message to the csbroker component...

CVE-2026-51769

TOTOLINK T6 router version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability in the remoteCloudUpdateCheck function. An unauthenticated, remote attacker can send a crafted MQTT message to the cs_broker component to restart the cloud update check workflow. The CVSS v3.1 score is ...

CVE-2026-51767

CVE-2026-51767 is a critical (CVSS 3.1: 9.8 ) incorrect access control vulnerability in the recvClearPairCfg function of the TOTOLINK T6 mesh router (firmware 4.1.5cu.748_B20211015 ). An unauthenticated attacker on the network can send a crafted MQTT message to the cs_broker component to reset th...

CVE-2026-51764

Incorrect access control in the recvSlaveCloudCheckStatus function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to overwrite cloud-result tracking files via sending a crafted MQTT message to the csbroker component...

CVE-2026-51769

Incorrect access control in the remoteCloudUpdateCheck function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to restart the cloud update check workflow via sending a crafted MQTT message to the csbroker component...